The killer whale (Orcinus orca) is a diverse species, boasting several isolated populations around the world that occupy varying-and, in several cases, still little described-ecological niches.

虎鲸是一个多样化的物种，在世界各地拥有多个独立的种群，它们占据着不同的生态位，包括一些鲜有记录的生态位。